diff options
Diffstat (limited to 'm4/gettimeofday.m4')
-rw-r--r-- | m4/gettimeofday.m4 | 53 |
1 files changed, 26 insertions, 27 deletions
diff --git a/m4/gettimeofday.m4 b/m4/gettimeofday.m4 index e4d75da00d..51b916a819 100644 --- a/m4/gettimeofday.m4 +++ b/m4/gettimeofday.m4 @@ -1,14 +1,15 @@ #serial 8 -# Copyright (C) 2001, 2002, 2003, 2005 Free Software Foundation, Inc. +# Copyright (C) 2001, 2002, 2003, 2005, 2007 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. AC_DEFUN([gl_FUNC_GETTIMEOFDAY], [ - AC_LIBSOURCES([gettimeofday.c, gettimeofday.h]) - AC_REQUIRE([gl_C_RESTRICT]) + AC_REQUIRE([AC_C_RESTRICT]) + AC_REQUIRE([AC_HEADER_TIME]) + AC_CHECK_HEADERS_ONCE([sys/time.h]) AC_CHECK_FUNCS([gettimeofday]) AC_CHECK_TYPE([suseconds_t], , @@ -28,7 +29,7 @@ AC_DEFUN([gl_FUNC_GETTIMEOFDAY], # endif ]) - AC_CACHE_CHECK([for struct timeval], fu_cv_sys_struct_timeval, + AC_CACHE_CHECK([for struct timeval], [fu_cv_sys_struct_timeval], [AC_TRY_COMPILE( [ # if TIME_WITH_SYS_TIME @@ -54,26 +55,25 @@ AC_DEFUN([gl_FUNC_GETTIMEOFDAY], AC_CACHE_CHECK([for gettimeofday whose signature conforms to POSIX], [ac_cv_func_gettimeofday_posix_signature], - AC_LINK_IFELSE( - [AC_LANG_PROGRAM( - [[#include <sys/time.h> - time_t a; - suseconds_t b; - struct timeval c; - ]], - [[ - int x = gettimeofday (&c, 0); - int (*f) (struct timeval *restrict, void *restrict) = gettimeofday; - return !(x | c.tv_sec | c.tv_usec); - ]])], + [AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <sys/time.h> + time_t a; + suseconds_t b; + struct timeval c; + ]], + [[ + int x = gettimeofday (&c, 0); + int (*f) (struct timeval *restrict, void *restrict) = gettimeofday; + return !(x | c.tv_sec | c.tv_usec); + ]])], [ac_cv_func_gettimeofday_posix_signature=yes], - [ac_cv_func_gettimeofday_posix_signature=no])) + [ac_cv_func_gettimeofday_posix_signature=no])]) if test $ac_cv_func_gettimeofday_posix_signature = yes; then AC_DEFINE([HAVE_GETTIMEOFDAY_POSIX_SIGNATURE], 1, [Define if gettimeofday's signature conforms to POSIX.]) AC_FUNC_GETTIMEOFDAY_CLOBBER - fi - if test $ac_cv_func_gettimeofday_posix_signature != yes; then + else gl_PREREQ_GETTIMEOFDAY AC_LIBOBJ([gettimeofday]) fi @@ -92,7 +92,7 @@ AC_DEFUN([AC_FUNC_GETTIMEOFDAY_CLOBBER], [ AC_REQUIRE([AC_HEADER_TIME]) AC_CACHE_CHECK([whether gettimeofday clobbers localtime buffer], - jm_cv_func_gettimeofday_clobber, + [jm_cv_func_gettimeofday_clobber], [AC_TRY_RUN([ #include <stdio.h> #include <string.h> @@ -133,21 +133,20 @@ main () ]) if test $jm_cv_func_gettimeofday_clobber = yes; then gl_GETTIMEOFDAY_REPLACE_LOCALTIME - - AC_DEFINE(gettimeofday, rpl_gettimeofday, - [Define to rpl_gettimeofday if the replacement function should be used.]) fi ]) AC_DEFUN([gl_GETTIMEOFDAY_REPLACE_LOCALTIME], [ + AC_LIBOBJ(gettimeofday) gl_PREREQ_GETTIMEOFDAY - AC_DEFINE(GETTIMEOFDAY_CLOBBERS_LOCALTIME, 1, + AC_DEFINE([GETTIMEOFDAY_CLOBBERS_LOCALTIME], 1, [Define if gettimeofday clobbers the localtime buffer.]) - AC_LIBOBJ(gettimeofday) - AC_DEFINE(gmtime, rpl_gmtime, + AC_DEFINE([gmtime], [rpl_gmtime], [Define to rpl_gmtime if the replacement function should be used.]) - AC_DEFINE(localtime, rpl_localtime, + AC_DEFINE([localtime], [rpl_localtime], [Define to rpl_localtime if the replacement function should be used.]) + AC_DEFINE([tzset], [rpl_tzset], + [Define to rpl_tzset if the replacement function should be used.]) ]) # Prerequisites of lib/gettimeofday.c. |